1 files changed, 4 insertions, 1519 deletions

diff --git a/src/Simulator/RedstoneSimulator.cpp b/src/Simulator/RedstoneSimulator.cpp
index 298175ad7..a83f21106 100644
--- a/src/Simulator/RedstoneSimulator.cpp
+++ b/src/Simulator/RedstoneSimulator.cpp
@@ -1,21 +1,15 @@
 
-#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+#include "Globals.h"
 
 #include "RedstoneSimulator.h"
-#include "../BlockEntities/DropSpenserEntity.h"
-#include "../BlockEntities/NoteEntity.h"
-#include "../BlockEntities/CommandBlockEntity.h"
-#include "../Entities/TNTEntity.h"
-#include "../Blocks/BlockTorch.h"
-#include "../Blocks/BlockDoor.h"
-#include "../Piston.h"
+#include "../World.h"
 
 
 
 
 
-cRedstoneSimulator::cRedstoneSimulator(cWorld & a_World)
-	: super(a_World)
+cRedstoneSimulator::cRedstoneSimulator(cWorld & a_World) :
+	super(a_World)
 {
 }
 
@@ -23,1512 +17,3 @@ cRedstoneSimulator::cRedstoneSimulator(cWorld & a_World)
 
 
 
-cRedstoneSimulator::~cRedstoneSimulator()
-{
-}
-
-
-
-
-
-void cRedstoneSimulator::AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk)
-{
-	if ((a_Chunk == NULL) || !a_Chunk->IsValid())
-	{
-		return;
-	}
-	else if ((a_BlockY < 0) || (a_BlockY > cChunkDef::Height))
-	{
-		return;
-	}
-
-	int RelX = a_BlockX - a_Chunk->GetPosX() * cChunkDef::Width;
-	int RelZ = a_BlockZ - a_Chunk->GetPosZ() * cChunkDef::Width;
-	
-	BLOCKTYPE Block;
-	NIBBLETYPE Meta;
-	a_Chunk->GetBlockTypeMeta(RelX, a_BlockY, RelZ, Block, Meta);
-
-	// Every time a block is changed (AddBlock called), we want to go through all lists and check to see if the coordiantes stored within are still valid
-	// Checking only when a block is changed, as opposed to every tick, also improves performance
-
-	for (PoweredBlocksList::iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr)
-	{
-		if (!itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			continue;
-		}
-
-		if (!IsPotentialSource(Block))
-		{
-			LOGD("cRedstoneSimulator: Erased block @ {%i, %i, %i} from powered blocks list as it no longer connected to a source", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z);
-			m_PoweredBlocks.erase(itr);
-			break;
-		}
-		else if (
-			// Changeable sources
-			((Block == E_BLOCK_REDSTONE_WIRE) && (Meta == 0)) ||
-			((Block == E_BLOCK_LEVER) && !IsLeverOn(Meta)) ||
-			((Block == E_BLOCK_DETECTOR_RAIL) && (Meta & 0x08) == 0) ||
-			(((Block == E_BLOCK_STONE_BUTTON) || (Block == E_BLOCK_WOODEN_BUTTON)) && (!IsButtonOn(Meta))) ||
-			(((Block == E_BLOCK_STONE_PRESSURE_PLATE) || (Block == E_BLOCK_WOODEN_PRESSURE_PLATE)) && (Meta == 0))
-			)
-		{
-			LOGD("cRedstoneSimulator: Erased block @ {%i, %i, %i} from powered blocks list due to present/past metadata mismatch", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z);
-			m_PoweredBlocks.erase(itr);
-			break;
-		}
-		else if (Block == E_BLOCK_DAYLIGHT_SENSOR)
-		{
-			if (!a_Chunk->IsLightValid())
-			{
-				m_World.QueueLightChunk(a_Chunk->GetPosX(), a_Chunk->GetPosZ());
-				break;
-			}
-			else
-			{
-				NIBBLETYPE SkyLight;
-				a_Chunk->UnboundedRelGetBlockSkyLight(RelX, itr->a_SourcePos.y + 1, RelZ, SkyLight);
-
-				if (a_Chunk->GetTimeAlteredLight(SkyLight) <= 8) // Could use SkyLight - m_World.GetSkyDarkness();
-				{
-					LOGD("cRedstoneSimulator: Erased daylight sensor from powered blocks list due to insufficient light level");
-					m_PoweredBlocks.erase(itr);
-					break;
-				}
-			}
-		}
-	}
-
-	for (LinkedBlocksList::iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr)
-	{
-		if (itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			if (!IsPotentialSource(Block))
-			{
-				LOGD("cRedstoneSimulator: Erased block @ {%i, %i, %i} from linked powered blocks list as it is no longer connected to a source", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z);
-				m_LinkedPoweredBlocks.erase(itr);
-				break;
-			}
-			else if (
-				// Things that can send power through a block but which depends on meta
-				((Block == E_BLOCK_REDSTONE_WIRE) && (Meta == 0)) ||
-				((Block == E_BLOCK_LEVER) && !IsLeverOn(Meta)) ||
-				(((Block == E_BLOCK_STONE_BUTTON) || (Block == E_BLOCK_WOODEN_BUTTON)) && (!IsButtonOn(Meta)))
-				)
-			{
-				LOGD("cRedstoneSimulator: Erased block @ {%i, %i, %i} from linked powered blocks list due to present/past metadata mismatch", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z);
-				m_LinkedPoweredBlocks.erase(itr);
-				break;
-			}
-		}
-		else if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			if (!IsViableMiddleBlock(Block))
-			{
-				LOGD("cRedstoneSimulator: Erased block @ {%i, %i, %i} from linked powered blocks list as it is no longer powered through a valid middle block", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z);
-				m_LinkedPoweredBlocks.erase(itr);
-				break;
-			}
-		}
-	}
-
-	for (SimulatedPlayerToggleableList::iterator itr = m_SimulatedPlayerToggleableBlocks.begin(); itr != m_SimulatedPlayerToggleableBlocks.end(); ++itr)
-	{
-		if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			continue;
-		}
-
-		if (!IsAllowedBlock(Block))
-		{
-			LOGD("cRedstoneSimulator: Erased block @ {%i, %i, %i} from toggleable simulated list as it is no longer redstone", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z);
-			m_SimulatedPlayerToggleableBlocks.erase(itr);
-			break;
-		}
-	}
-
-	for (RepeatersDelayList::iterator itr = m_RepeatersDelayList.begin(); itr != m_RepeatersDelayList.end(); ++itr)
-	{
-		if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			continue;
-		}
-
-		if ((Block != E_BLOCK_REDSTONE_REPEATER_ON) && (Block != E_BLOCK_REDSTONE_REPEATER_OFF))
-		{
-			m_RepeatersDelayList.erase(itr);
-			break;
-		}
-	}
-
-	cRedstoneSimulatorChunkData & ChunkData = a_Chunk->GetRedstoneSimulatorData();
-	for (cRedstoneSimulatorChunkData::iterator itr = ChunkData.begin(); itr != ChunkData.end(); ++itr)
-	{
-		if ((itr->x == RelX) && (itr->y == a_BlockY) && (itr->z == RelZ)) // We are at an entry matching the current (changed) block
-		{
-			if (!IsAllowedBlock(Block))
-			{
-				itr->DataTwo = true; // The new blocktype is not redstone; it must be queued to be removed from this list
-			}
-			else
-			{
-				itr->Data = Block; // Update block information
-			}
-			return;
-		}
-	}
-
-	if (!IsAllowedBlock(Block))
-	{
-		return;
-	}
-
-	ChunkData.push_back(cCoordWithBlockAndBool(RelX, a_BlockY, RelZ, Block, false));
-}
-
-
-
-
-
-void cRedstoneSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_ChunkZ, cChunk * a_Chunk)
-{
-	// We still attempt to simulate all blocks in the chunk every tick, because of outside influence that needs to be taken into account
-	// For example, repeaters need to be ticked, pressure plates checked for entities, daylight sensor checked for light changes, etc.
-	// The easiest way to make this more efficient is probably just to reduce code within the handlers that put too much strain on server, like getting or setting blocks
-	// A marking dirty system might be a TODO for later on, perhaps
-
-	cRedstoneSimulatorChunkData & ChunkData = a_Chunk->GetRedstoneSimulatorData();
-	if (ChunkData.empty())
-	{
-		return;
-	}
-
-	int BaseX = a_Chunk->GetPosX() * cChunkDef::Width;
-	int BaseZ = a_Chunk->GetPosZ() * cChunkDef::Width;
-
-	for (cRedstoneSimulatorChunkData::iterator dataitr = ChunkData.begin(); dataitr != ChunkData.end();)
-	{
-		if (dataitr->DataTwo)
-		{
-			dataitr = ChunkData.erase(dataitr);
-			continue;
-		}
-
-		int a_X = BaseX + dataitr->x;
-		int a_Z = BaseZ + dataitr->z;
-		switch (dataitr->Data)
-		{
-			case E_BLOCK_BLOCK_OF_REDSTONE:     HandleRedstoneBlock(a_X, dataitr->y, a_Z);	break;
-			case E_BLOCK_LEVER:                 HandleRedstoneLever(a_X, dataitr->y, a_Z);	break;
-			case E_BLOCK_TNT:                   HandleTNT(a_X, dataitr->y, a_Z);            break;
-			case E_BLOCK_TRAPDOOR:              HandleTrapdoor(a_X, dataitr->y, a_Z);       break;
-			case E_BLOCK_REDSTONE_WIRE:         HandleRedstoneWire(a_X, dataitr->y, a_Z);	break;
-			case E_BLOCK_NOTE_BLOCK:            HandleNoteBlock(a_X, dataitr->y, a_Z);      break;
-			case E_BLOCK_DAYLIGHT_SENSOR:       HandleDaylightSensor(a_X, dataitr->y, a_Z); break;
-			case E_BLOCK_COMMAND_BLOCK:         HandleCommandBlock(a_X, dataitr->y, a_Z);   break;
-
-			case E_BLOCK_REDSTONE_TORCH_OFF:
-			case E_BLOCK_REDSTONE_TORCH_ON:
-			{
-				HandleRedstoneTorch(a_X, dataitr->y, a_Z, dataitr->Data);
-				break;
-			}
-			case E_BLOCK_STONE_BUTTON:
-			case E_BLOCK_WOODEN_BUTTON:
-			{
-				HandleRedstoneButton(a_X, dataitr->y, a_Z, dataitr->Data);
-				break;
-			}
-			case E_BLOCK_REDSTONE_REPEATER_OFF:
-			case E_BLOCK_REDSTONE_REPEATER_ON:
-			{
-				HandleRedstoneRepeater(a_X, dataitr->y, a_Z, dataitr->Data);
-				break;
-			}
-			case E_BLOCK_PISTON:
-			case E_BLOCK_STICKY_PISTON:
-			{
-				HandlePiston(a_X, dataitr->y, a_Z);
-				break;
-			}
-			case E_BLOCK_REDSTONE_LAMP_OFF:
-			case E_BLOCK_REDSTONE_LAMP_ON:
-			{
-				HandleRedstoneLamp(a_X, dataitr->y, a_Z, dataitr->Data);
-				break;
-			}
-			case E_BLOCK_DISPENSER:
-			case E_BLOCK_DROPPER:
-			{
-				HandleDropSpenser(a_X, dataitr->y, a_Z);
-				break;
-			}
-			case E_BLOCK_WOODEN_DOOR:
-			case E_BLOCK_IRON_DOOR:
-			{
-				HandleDoor(a_X, dataitr->y, a_Z);
-				break;
-			}
-			case E_BLOCK_ACTIVATOR_RAIL:
-			case E_BLOCK_DETECTOR_RAIL:
-			case E_BLOCK_POWERED_RAIL:
-			{
-				HandleRail(a_X, dataitr->y, a_Z, dataitr->Data);
-				break;
-			}
-			case E_BLOCK_WOODEN_PRESSURE_PLATE:
-			case E_BLOCK_STONE_PRESSURE_PLATE:
-			{
-				HandlePressurePlate(a_X, dataitr->y, a_Z, dataitr->Data);
-				break;
-			}
-		}
-		++dataitr;
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleRedstoneTorch(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState)
-{
-	static const struct // Define which directions the torch can power
-	{
-		int x, y, z;
-	} gCrossCoords[] =
-	{
-		{ 1, 0,  0},
-		{-1, 0,  0},
-		{ 0, 0,  1},
-		{ 0, 0, -1},
-		{ 0, 1,  0},
-	} ;
-
-	if (a_MyState == E_BLOCK_REDSTONE_TORCH_ON)
-	{
-		// Check if the block the torch is on is powered		
-		int X = a_BlockX; int Y = a_BlockY; int Z = a_BlockZ;
-		AddFaceDirection(X, Y, Z, cBlockTorchHandler::MetaDataToDirection(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ)), true); // Inverse true to get the block torch is on
-
-		if (AreCoordsDirectlyPowered(X, Y, Z))
-		{
-			// There was a match, torch goes off
-			m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_TORCH_OFF, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ));
-			return;
-		}
-
-		// Torch still on, make all 4(X, Z) + 1(Y) sides powered
-		for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
-		{
-			BLOCKTYPE Type = m_World.GetBlock(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z);
-			if (i + 1 < ARRAYCOUNT(gCrossCoords)) // Sides of torch, not top (top is last)
-			{
-				if (
-					((IsMechanism(Type)) || (Type == E_BLOCK_REDSTONE_WIRE)) && // Is it a mechanism or wire? Not block/other torch etc.
-					(!Vector3i(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z).Equals(Vector3i(X, Y, Z))) // CAN'T power block is that it is on
-					)
-				{
-					SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_TORCH_ON);
-				}
-			}
-			else
-			{
-				// Top side, power whatever is there, including blocks
-				SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_TORCH_ON);
-				// Power all blocks surrounding block above torch
-				SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YP, E_BLOCK_REDSTONE_TORCH_ON);
-			}
-		}
-
-		if (m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) != 0x5) // Is torch standing on ground? If NOT (i.e. on wall), power block beneath
-		{
-			BLOCKTYPE Type = m_World.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ);
-
-			if ((IsMechanism(Type)) || (Type == E_BLOCK_REDSTONE_WIRE)) // Still can't make a normal block powered though!
-			{
-				SetBlockPowered(a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_TORCH_ON);
-			}
-		}
-	}
-	else
-	{
-		// Check if the block the torch is on is powered		
-		int X = a_BlockX; int Y = a_BlockY; int Z = a_BlockZ;
-		AddFaceDirection(X, Y, Z, cBlockTorchHandler::MetaDataToDirection(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ)), true); // Inverse true to get the block torch is on
-
-		// See if off state torch can be turned on again
-		if (AreCoordsDirectlyPowered(X, Y, Z))
-		{
-			return; // Something matches, torch still powered
-		}
-
-		// Block torch on not powered, can be turned on again!
-		m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_TORCH_ON, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ));
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleRedstoneBlock(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_BLOCK_OF_REDSTONE);
-	SetBlockPowered(a_BlockX, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_BLOCK_OF_REDSTONE); // Set self as powered
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleRedstoneLever(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	if (IsLeverOn(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ)))
-	{
-		SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_LEVER);
-
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XM, E_BLOCK_LEVER);
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XP, E_BLOCK_LEVER);
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YM, E_BLOCK_LEVER);
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YP, E_BLOCK_LEVER);
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZM, E_BLOCK_LEVER);
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZP, E_BLOCK_LEVER);
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleRedstoneButton(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType)
-{
-	if (IsButtonOn(m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ)))
-	{
-		SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, a_BlockType);
-
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XM, a_BlockType);
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XP, a_BlockType);
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YM, a_BlockType);
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YP, a_BlockType);
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZM, a_BlockType);
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZP, a_BlockType);
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleRedstoneWire(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	static const struct // Define which directions the wire can receive power from
-	{
-		int x, y, z;
-	} gCrossCoords[] =
-	{
-		{ 1, 0,  0}, /* Wires on same level start */
-		{-1, 0,  0},
-		{ 0, 0,  1},
-		{ 0, 0, -1}, /* Wires on same level stop */
-		{ 1, 1,  0}, /* Wires one higher, surrounding self start */
-		{-1, 1,  0},
-		{ 0, 1,  1},
-		{ 0, 1, -1}, /* Wires one higher, surrounding self stop */
-		{ 1,-1,  0}, /* Wires one lower, surrounding self start */
-		{-1,-1,  0},
-		{ 0,-1,  1},
-		{ 0,-1, -1}, /* Wires one lower, surrounding self stop */
-	} ;
-
-	static const struct // Define which directions the wire will check for repeater prescence
-	{
-		int x, y, z;
-	} gSideCoords[] =
-	{
-		{ 1, 0, 0 },
-		{-1, 0, 0 },
-		{ 0, 0, 1 },
-		{ 0, 0,-1 },
-		{ 0, 1, 0 },
-	};
-
-	// Check to see if directly beside a power source
-	if (IsWirePowered(a_BlockX, a_BlockY, a_BlockZ))
-	{
-		m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 15); // Maximum power
-	}
-	else
-	{
-		NIBBLETYPE MetaToSet = 0;
-		NIBBLETYPE MyMeta = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
-		int TimesMetaSmaller = 0, TimesFoundAWire = 0;
-
-		for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++) // Loop through all directions to transfer or receive power
-		{
-			if ((i >= 4) && (i <= 7)) // If we are currently checking for wire surrounding ourself one block above...
-			{
-				if (g_BlockIsSolid[m_World.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ)]) // If there is something solid above us (wire cut off)...
-				{
-					continue; // We don't receive power from that wire
-				}
-			}
-			else if ((i >= 8) && (i <= 11)) // See above, but this is for wire below us
-			{
-				if (g_BlockIsSolid[m_World.GetBlock(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y + 1, a_BlockZ + gCrossCoords[i].z)])
-				{
-					continue;
-				}
-			}
-
-			BLOCKTYPE SurroundType;
-			NIBBLETYPE SurroundMeta;
-			m_World.GetBlockTypeMeta(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, SurroundType, SurroundMeta);
-
-			if (SurroundType == E_BLOCK_REDSTONE_WIRE)
-			{
-				TimesFoundAWire++;
-
-				if (SurroundMeta > 1) // Wires of power 1 or 0 cannot transfer power TO ME, don't bother checking
-				{
-					// Does surrounding wire have a higher power level than self?
-					// >= to fix a bug where wires bordering each other with the same power level will appear (in terms of meta) to power each other, when they aren't actually in the powered list
-					if (SurroundMeta >= MyMeta)
-					{
-						MetaToSet = SurroundMeta - 1; // To improve performance
-					}
-				}
-				
-				if (SurroundMeta < MyMeta) // Go through all surroundings to see if self power is larger than everyone else's
-				{
-					TimesMetaSmaller++;
-				}
-			}			
-		}
-
-		if (TimesMetaSmaller == TimesFoundAWire)
-		{
-			// All surrounding metas were smaller - self must have been a wire that was
-			// transferring power to other wires around.
-			// However, self not directly powered anymore, so source must have been removed,
-			// therefore, self must be set to meta zero
-			m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE, 0); // SetMeta & WakeUpSims doesn't seem to work here, so SetBlock
-			return; // No need to process block power sets because self not powered
-		}
-		else
-		{
-			m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, MetaToSet);
-		}
-	}
-
-	if (m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) != 0) // A powered wire
-	{
-		for (size_t i = 0; i < ARRAYCOUNT(gSideCoords); i++) // Look for repeaters immediately surrounding self and try to power them
-		{
-			if (m_World.GetBlock(a_BlockX + gSideCoords[i].x, a_BlockY + gSideCoords[i].y, a_BlockZ + gSideCoords[i].z) == E_BLOCK_REDSTONE_REPEATER_OFF)
-			{
-				SetBlockPowered(a_BlockX + gSideCoords[i].x, a_BlockY + gSideCoords[i].y, a_BlockZ + gSideCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE);
-			}
-		}
-
-		// Wire still powered, power blocks beneath
-		SetBlockPowered(a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE);
-		SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YM, E_BLOCK_REDSTONE_WIRE);
-
-		switch (GetWireDirection(a_BlockX, a_BlockY, a_BlockZ))
-		{
-			case REDSTONE_NONE:
-			{
-				SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE);
-
-				SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XM, E_BLOCK_REDSTONE_WIRE);
-				SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XP, E_BLOCK_REDSTONE_WIRE);
-				SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YM, E_BLOCK_REDSTONE_WIRE);
-				SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_YP, E_BLOCK_REDSTONE_WIRE);
-				SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZM, E_BLOCK_REDSTONE_WIRE);
-				SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZP, E_BLOCK_REDSTONE_WIRE);
-				break;
-			}
-			case REDSTONE_X_POS:
-			{
-				SetBlockPowered(a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE);
-				SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XP, E_BLOCK_REDSTONE_WIRE);
-				break;
-			}
-			case REDSTONE_X_NEG:
-			{
-				SetBlockPowered(a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE);
-				SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XM, E_BLOCK_REDSTONE_WIRE);
-				break;
-			}
-			case REDSTONE_Z_POS:
-			{
-				SetBlockPowered(a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE);
-				SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZP, E_BLOCK_REDSTONE_WIRE);
-				break;
-			}
-			case REDSTONE_Z_NEG:
-			{
-				SetBlockPowered(a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_WIRE);
-				SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZM, E_BLOCK_REDSTONE_WIRE);
-				break;
-			}
-		}
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleRedstoneRepeater(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState)
-{
-	NIBBLETYPE a_Meta = m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
-
-	bool IsOn = ((a_MyState == E_BLOCK_REDSTONE_REPEATER_ON) ? true : false); // Cache if repeater is on
-	bool IsSelfPowered = IsRepeaterPowered(a_BlockX, a_BlockY, a_BlockZ, a_Meta & 0x3); // Cache if repeater is pwoered
-
-	if (IsSelfPowered && !IsOn) // Queue a power change if I am receiving power but not on
-	{
-		QueueRepeaterPowerChange(a_BlockX, a_BlockY, a_BlockZ, a_Meta, 0, true);
-	}
-	else if (!IsSelfPowered && IsOn) // Queue a power change if I am not receiving power but on
-	{
-		QueueRepeaterPowerChange(a_BlockX, a_BlockY, a_BlockZ, a_Meta, 0, false);
-	}
-
-	for (RepeatersDelayList::iterator itr = m_RepeatersDelayList.begin(); itr != m_RepeatersDelayList.end(); ++itr)
-	{
-		if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			continue;
-		}
-
-		if (itr->a_ElapsedTicks >= itr->a_DelayTicks) // Has the elapsed ticks reached the target ticks?
-		{
-			if (itr->ShouldPowerOn)
-			{
-				if (!IsOn)
-				{
-					m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_ON, a_Meta); // For performance
-				}
-
-				switch (a_Meta & 0x3) // We only want the direction (bottom) bits
-				{
-					case 0x0:
-					{
-						SetBlockPowered(a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_ON);
-						SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZM, E_BLOCK_REDSTONE_REPEATER_ON);
-						break;
-					}
-					case 0x1:
-					{
-						SetBlockPowered(a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_ON);
-						SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XP, E_BLOCK_REDSTONE_REPEATER_ON);
-						break;
-					}
-					case 0x2:
-					{
-						SetBlockPowered(a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_ON);
-						SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_ZP, E_BLOCK_REDSTONE_REPEATER_ON);
-						break;
-					}
-					case 0x3:
-					{
-						SetBlockPowered(a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_ON);
-						SetDirectionLinkedPowered(a_BlockX, a_BlockY, a_BlockZ, BLOCK_FACE_XM, E_BLOCK_REDSTONE_REPEATER_ON);
-						break;
-					}
-				}
-
-				// Removal of the data entry will be handled in SimChunk - we still want to continue trying to power blocks, even if our delay time has reached
-				// Otherwise, the power state of blocks in front won't update after we have powered on
-				return;
-			}
-			else
-			{
-				if (IsOn)
-				{
-					m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_REPEATER_OFF, a_Meta);
-				}
-				m_RepeatersDelayList.erase(itr); // We can remove off repeaters which don't need further updating
-				return;
-			}
-		}
-		else
-		{
-			// Apparently, incrementing ticks only works reliably here, and not in SimChunk;
-			// With a world with lots of redstone, the repeaters simply do not delay
-			// I am confounded to say why. Perhaps optimisation failure.
-			LOGD("Incremented a repeater @ {%i %i %i} | Elapsed ticks: %i | Target delay: %i", itr->a_BlockPos.x, itr->a_BlockPos.y, itr->a_BlockPos.z, itr->a_ElapsedTicks, itr->a_DelayTicks);
-			itr->a_ElapsedTicks++;
-		}
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandlePiston(int a_BlockX, int a_BlockY, int a_BlockZ)
-{	
-	cPiston Piston(&m_World);
-	if (IsPistonPowered(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0x7)) // We only want the bottom three bits (4th controls extended-ness)
-	{
-		Piston.ExtendPiston(a_BlockX, a_BlockY, a_BlockZ);
-	}
-	else
-	{
-		Piston.RetractPiston(a_BlockX, a_BlockY, a_BlockZ);
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleDropSpenser(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	class cSetPowerToDropSpenser :
-		public cDropSpenserCallback
-	{
-		bool m_IsPowered;
-	public:
-		cSetPowerToDropSpenser(bool a_IsPowered) : m_IsPowered(a_IsPowered) {}
-				
-		virtual bool Item(cDropSpenserEntity * a_DropSpenser) override
-		{
-			a_DropSpenser->SetRedstonePower(m_IsPowered);
-			return false;
-		}
-	} DrSpSP (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ));
-
-	m_World.DoWithDropSpenserAt(a_BlockX, a_BlockY, a_BlockZ, DrSpSP);
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleRedstoneLamp(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyState)
-{
-	if (a_MyState == E_BLOCK_REDSTONE_LAMP_OFF)
-	{
-		if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ))
-		{
-			m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_LAMP_ON, 0);
-		}
-	}
-	else
-	{
-		if (!AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ))
-		{
-			m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_REDSTONE_LAMP_OFF, 0);
-		}
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleTNT(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ))
-	{
-		m_World.BroadcastSoundEffect("random.fuse", a_BlockX * 8, a_BlockY * 8, a_BlockZ * 8, 0.5f, 0.6f);
-		m_World.SpawnPrimedTNT(a_BlockX + 0.5, a_BlockY + 0.5, a_BlockZ + 0.5, 4);  // 4 seconds to boom
-		m_World.SetBlock(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_AIR, 0);
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleDoor(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ))
-	{
-		if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, true))
-		{
-			cChunkInterface ChunkInterface(m_World.GetChunkMap());
-			cBlockDoorHandler::ChangeDoor(ChunkInterface, a_BlockX, a_BlockY, a_BlockZ);
-			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, true);
-		}
-	}
-	else
-	{
-		if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, false))
-		{
-			cChunkInterface ChunkInterface(m_World.GetChunkMap());
-			cBlockDoorHandler::ChangeDoor(ChunkInterface, a_BlockX, a_BlockY, a_BlockZ);
-			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, false);
-		}
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleCommandBlock(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	class cSetPowerToCommandBlock :
-		public cCommandBlockCallback
-	{
-		bool m_IsPowered;
-	public:
-		cSetPowerToCommandBlock(bool a_IsPowered) : m_IsPowered(a_IsPowered) {}
-				
-		virtual bool Item(cCommandBlockEntity * a_CommandBlock) override
-		{
-			a_CommandBlock->SetRedstonePower(m_IsPowered);
-			return false;
-		}
-	} CmdBlockSP (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ));
-
-	m_World.DoWithCommandBlockAt(a_BlockX, a_BlockY, a_BlockZ, CmdBlockSP);
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleRail(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyType)
-{
-	switch (a_MyType)
-	{
-		case E_BLOCK_DETECTOR_RAIL:
-		{
-			if ((m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0x08) == 0x08)
-			{
-				SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, a_MyType);
-			}
-			break;
-		}
-		case E_BLOCK_ACTIVATOR_RAIL:
-		case E_BLOCK_POWERED_RAIL:
-		{
-			if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ))
-			{
-				m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) | 0x08);
-			}
-			else
-			{
-				m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0x07);
-			}
-			break;
-		}
-		default: LOGD("Unhandled type of rail in %s", __FUNCTION__);
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleTrapdoor(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	if (AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ))
-	{
-		if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, true))
-		{
-			m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) | 0x4);
-			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, true);
-		}		
-	}
-	else
-	{
-		if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, false))
-		{
-			m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, m_World.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ) & 0xB); // Take into account that the fourth bit is needed for trapdoors too
-			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, false);
-		}
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleNoteBlock(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	bool m_bAreCoordsPowered = AreCoordsPowered(a_BlockX, a_BlockY, a_BlockZ);
-
-	if (m_bAreCoordsPowered)
-	{
-		if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, true))
-		{
-			class cSetPowerToNoteBlock :
-				public cNoteBlockCallback
-			{
-				bool m_IsPowered;
-			public:
-				cSetPowerToNoteBlock(bool a_IsPowered) : m_IsPowered(a_IsPowered) {}
-
-				virtual bool Item(cNoteEntity * a_NoteBlock) override
-				{
-					if (m_IsPowered)
-					{
-						a_NoteBlock->MakeSound();
-					}
-					return false;
-				}
-			} NoteBlockSP(m_bAreCoordsPowered);
-
-			m_World.DoWithNoteBlockAt(a_BlockX, a_BlockY, a_BlockZ, NoteBlockSP);
-			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, true);
-		}
-	}
-	else
-	{
-		if (!AreCoordsSimulated(a_BlockX, a_BlockY, a_BlockZ, false))
-		{
-			SetPlayerToggleableBlockAsSimulated(a_BlockX, a_BlockY, a_BlockZ, false);
-		}
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandleDaylightSensor(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	int a_ChunkX, a_ChunkZ;
-	cChunkDef::BlockToChunk(a_BlockX, a_BlockZ, a_ChunkX, a_ChunkZ);
-
-	if (!m_World.IsChunkLighted(a_ChunkX, a_ChunkZ))
-	{
-		m_World.QueueLightChunk(a_ChunkX, a_ChunkZ);
-	}
-	else
-	{
-		NIBBLETYPE SkyLight = m_World.GetBlockSkyLight(a_BlockX, a_BlockY + 1, a_BlockZ) - m_World.GetSkyDarkness();
-		if (SkyLight > 8)
-		{
-			SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_DAYLIGHT_SENSOR);
-		}
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::HandlePressurePlate(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_MyType)
-{
-	switch (a_MyType)
-	{
-		case E_BLOCK_STONE_PRESSURE_PLATE:
-		{
-			// MCS feature - stone pressure plates can only be triggered by players :D
-			cPlayer * a_Player = m_World.FindClosestPlayer(Vector3f(a_BlockX + 0.5f, (float)a_BlockY, a_BlockZ + 0.5f), 0.5f, false);
-
-			if (a_Player != NULL)
-			{
-				m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 0x1);
-				SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_STONE_PRESSURE_PLATE);
-			}
-			else
-			{
-				m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 0x0);
-				m_World.WakeUpSimulators(a_BlockX, a_BlockY, a_BlockZ);
-			}
-			break;
-		}
-		case E_BLOCK_WOODEN_PRESSURE_PLATE:
-		{
-			class cWoodenPressurePlateCallback :
-				public cEntityCallback
-			{
-			public:
-				cWoodenPressurePlateCallback(int a_BlockX, int a_BlockY, int a_BlockZ, cWorld * a_World) :
-					m_Entity(NULL),
-					m_World(a_World),
-					m_X(a_BlockX),
-					m_Y(a_BlockY),
-					m_Z(a_BlockZ)
-				{
-				}
-
-				virtual bool Item(cEntity * a_Entity) override
-				{
-					Vector3f EntityPos = a_Entity->GetPosition();
-					Vector3f BlockPos(m_X + 0.5f, (float)m_Y, m_Z + 0.5f);
-					float Distance = (EntityPos - BlockPos).Length();
-
-					if (Distance < 0.5)
-					{
-						m_Entity = a_Entity;
-						return true; // Break out, we only need to know for wooden plates that at least one entity is on top
-					}
-					return false;
-				}
-
-				bool FoundEntity(void) const
-				{
-					return m_Entity != NULL;
-				}
-
-			protected:
-				cEntity * m_Entity;
-				cWorld * m_World;
-
-				int m_X;
-				int m_Y;
-				int m_Z;
-			} ;
-
-			cWoodenPressurePlateCallback WoodenPressurePlateCallback(a_BlockX, a_BlockY, a_BlockZ, &m_World);
-			m_World.ForEachEntity(WoodenPressurePlateCallback);
-
-			if (WoodenPressurePlateCallback.FoundEntity())
-			{
-				m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 0x1);
-				SetAllDirsAsPowered(a_BlockX, a_BlockY, a_BlockZ, E_BLOCK_WOODEN_PRESSURE_PLATE);
-			}
-			else
-			{
-				m_World.SetBlockMeta(a_BlockX, a_BlockY, a_BlockZ, 0x0);
-				m_World.WakeUpSimulators(a_BlockX, a_BlockY, a_BlockZ);
-			}
-			break;
-		}
-		default:
-			LOGD("Unimplemented pressure plate type %s in cRedstoneSimulator", ItemToFullString(a_MyType).c_str());
-			break;
-	}
-}
-
-
-
-
-
-bool cRedstoneSimulator::AreCoordsDirectlyPowered(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr) // Check powered list
-	{
-		if (itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			return true;
-		}
-	}
-	return false;	
-}
-
-
-
-
-
-bool cRedstoneSimulator::AreCoordsLinkedPowered(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr) // Check linked powered list
-	{
-		if (itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			return true;
-		}
-	}
-	return false;
-}
-
-
-
-
-
-bool cRedstoneSimulator::IsRepeaterPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta)
-{
-	// Repeaters cannot be powered by any face except their back; verify that this is true for a source
-
-	for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr)
-	{
-		if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; }
-
-		switch (a_Meta)
-		{
-			case 0x0:
-			{
-				// Flip the coords to check the back of the repeater
-				if (itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ + 1))) { return true; }
-				break;
-			}
-			case 0x1:
-			{
-				if (itr->a_SourcePos.Equals(Vector3i(a_BlockX - 1, a_BlockY, a_BlockZ))) { return true; }
-				break;
-			}
-			case 0x2:
-			{
-				if (itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ - 1))) { return true; }
-				break;
-			}
-			case 0x3:
-			{
-				if (itr->a_SourcePos.Equals(Vector3i(a_BlockX + 1, a_BlockY, a_BlockZ))) { return true; }
-				break;
-			}
-		}
-	}
-
-	for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr)
-	{
-		if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; }
-
-		switch (a_Meta)
-		{
-			case 0x0:
-			{
-				if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ + 1))) { return true; }
-				break;
-			}
-			case 0x1:
-			{
-				if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX - 1, a_BlockY, a_BlockZ))) { return true; }
-				break;
-			}
-			case 0x2:
-			{
-				if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ - 1))) { return true; }
-				break;
-			}
-			case 0x3:
-			{
-				if (itr->a_MiddlePos.Equals(Vector3i(a_BlockX + 1, a_BlockY, a_BlockZ))) { return true; }
-				break;
-			}
-		}
-	}
-	return false; // Couldn't find power source behind repeater
-}
-
-
-
-
-bool cRedstoneSimulator::IsPistonPowered(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta)
-{
-	// Pistons cannot be powered through their front face; this function verifies that a source meets this requirement
-
-	int OldX = a_BlockX, OldY = a_BlockY, OldZ = a_BlockZ;
-	eBlockFace Face = cPiston::MetaDataToDirection(a_Meta);
-
-	for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr)
-	{
-		if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; }
-
-		AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, Face);
-
-		if (!itr->a_SourcePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			return true;
-		}
-
-		a_BlockX = OldX;
-		a_BlockY = OldY;
-		a_BlockZ = OldZ;
-	}
-
-	for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr)
-	{
-		if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; }
-
-		AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, Face);
-
-		if (!itr->a_MiddlePos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			return true;
-		}
-
-		a_BlockX = OldX;
-		a_BlockY = OldY;
-		a_BlockZ = OldZ;
-	}
-	return false; // Source was in front of the piston's front face
-}
-
-
-
-
-bool cRedstoneSimulator::IsWirePowered(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr)
-	{
-		if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; }
-
-		if (m_World.GetBlock(itr->a_SourcePos) != E_BLOCK_REDSTONE_WIRE)
-		{
-			return true;
-		}
-	}
-
-	for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr)
-	{
-		if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ))) { continue; }
-
-		if (m_World.GetBlock(itr->a_SourcePos) != E_BLOCK_REDSTONE_WIRE)
-		{
-			return true;
-		}
-	}
-	return false; // Source was in front of the piston's front face
-}
-
-
-
-
-
-bool cRedstoneSimulator::AreCoordsSimulated(int a_BlockX, int a_BlockY, int a_BlockZ, bool IsCurrentStatePowered)
-{
-	for (SimulatedPlayerToggleableList::const_iterator itr = m_SimulatedPlayerToggleableBlocks.begin(); itr != m_SimulatedPlayerToggleableBlocks.end(); ++itr)
-	{
-		if (itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			if (itr->WasLastStatePowered != IsCurrentStatePowered) // Was the last power state different to the current?
-			{
-				return false; // It was, coordinates are no longer simulated
-			}
-			else
-			{
-				return true; // It wasn't, don't resimulate block, and allow players to toggle
-			}
-		}
-	}
-	return false; // Block wasn't even in the list, not simulated
-}
-
-
-
-
-
-void cRedstoneSimulator::SetDirectionLinkedPowered(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Direction, BLOCKTYPE a_SourceType)
-{
-	switch (a_Direction)
-	{
-		case BLOCK_FACE_XM:
-		{
-			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ);
-
-			SetBlockLinkedPowered(a_BlockX - 2, a_BlockY, a_BlockZ, a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY + 1, a_BlockZ, a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY - 1, a_BlockZ, a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY, a_BlockZ + 1, a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY, a_BlockZ - 1, a_BlockX - 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-
-			break;
-		}
-		case BLOCK_FACE_XP:
-		{
-			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ);
-
-			SetBlockLinkedPowered(a_BlockX + 2, a_BlockY, a_BlockZ, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY + 1, a_BlockZ, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY - 1, a_BlockZ, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ + 1, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ - 1, a_BlockX + 1, a_BlockY, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-
-			break;
-		}
-		case BLOCK_FACE_YM:
-		{
-			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ);
-
-			SetBlockLinkedPowered(a_BlockX, a_BlockY - 2, a_BlockZ, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ + 1, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ - 1, a_BlockX, a_BlockY - 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-
-			break;
-		}
-		case BLOCK_FACE_YP:
-		{
-			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ);
-
-			SetBlockLinkedPowered(a_BlockX, a_BlockY + 2, a_BlockZ, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ + 1, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ - 1, a_BlockX, a_BlockY + 1, a_BlockZ, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-
-			break;
-		}
-		case BLOCK_FACE_ZM:
-		{
-			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ - 1);
-						
-			SetBlockLinkedPowered(a_BlockX, a_BlockY, a_BlockZ - 2, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ - 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-
-			break;
-		}
-		case BLOCK_FACE_ZP:
-		{
-			BLOCKTYPE MiddleBlock = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ + 1);
-			
-			SetBlockLinkedPowered(a_BlockX, a_BlockY, a_BlockZ + 2, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX + 1, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX - 1, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY + 1, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-			SetBlockLinkedPowered(a_BlockX, a_BlockY - 1, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ + 1, a_BlockX, a_BlockY, a_BlockZ, a_SourceType, MiddleBlock);
-
-			break;
-		}
-		default:
-		{
-			ASSERT(!"Unhandled face direction when attempting to set blocks as linked powered!"); // Zombies, that wasn't supposed to happen...
-			break;
-		}
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::SetAllDirsAsPowered(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_SourceBlock)
-{
-	static const struct
-	{
-		int x, y, z;
-	} gCrossCoords[] =
-	{
-		{ 1, 0, 0 },
-		{-1, 0, 0 },
-		{ 0, 0, 1 },
-		{ 0, 0,-1 },
-		{ 0, 1, 0 },
-		{ 0,-1, 0 }
-	};
-
-	for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++) // Loop through struct to power all directions
-	{
-		SetBlockPowered(a_BlockX + gCrossCoords[i].x, a_BlockY + gCrossCoords[i].y, a_BlockZ + gCrossCoords[i].z, a_BlockX, a_BlockY, a_BlockZ, a_SourceBlock);
-	}
-}
-
-
-
-
-
-void cRedstoneSimulator::SetBlockPowered(int a_BlockX, int a_BlockY, int a_BlockZ, int a_SourceX, int a_SourceY, int a_SourceZ, BLOCKTYPE a_SourceBlock)
-{
-	BLOCKTYPE Block = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ);
-	if (Block == E_BLOCK_AIR)
-	{
-		// Don't set air, fixes some bugs (wires powering themselves)
-		return;
-	}
-
-	for (PoweredBlocksList::const_iterator itr = m_PoweredBlocks.begin(); itr != m_PoweredBlocks.end(); ++itr) // Check powered list
-	{
-		if (
-			itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)) &&
-			itr->a_SourcePos.Equals(Vector3i(a_SourceX, a_SourceY, a_SourceZ))
-			)
-		{
-			// Check for duplicates
-			return;
-		}
-	}
-
-	sPoweredBlocks RC;
-	RC.a_BlockPos = Vector3i(a_BlockX, a_BlockY, a_BlockZ);
-	RC.a_SourcePos = Vector3i(a_SourceX, a_SourceY, a_SourceZ);
-	m_PoweredBlocks.push_back(RC);
-}
-
-
-
-
-
-void cRedstoneSimulator::SetBlockLinkedPowered(
-	int a_BlockX,  int a_BlockY,  int a_BlockZ,
-	int a_MiddleX, int a_MiddleY, int a_MiddleZ,
-	int a_SourceX, int a_SourceY, int a_SourceZ,
-	BLOCKTYPE a_SourceBlock, BLOCKTYPE a_MiddleBlock
-)
-{
-	BLOCKTYPE DestBlock = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ);
-	if (DestBlock == E_BLOCK_AIR)
-	{
-		// Don't set air, fixes some bugs (wires powering themselves)
-		return;
-	}
-	if (!IsViableMiddleBlock(a_MiddleBlock))
-	{
-		return;
-	}
-
-	for (LinkedBlocksList::const_iterator itr = m_LinkedPoweredBlocks.begin(); itr != m_LinkedPoweredBlocks.end(); ++itr) // Check linked powered list
-	{
-		if (
-			itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)) &&
-			itr->a_MiddlePos.Equals(Vector3i(a_MiddleX, a_MiddleY, a_MiddleZ)) &&
-			itr->a_SourcePos.Equals(Vector3i(a_SourceX, a_SourceY, a_SourceZ))
-			)
-		{
-			// Check for duplicates
-			return;
-		}
-	}
-
-	sLinkedPoweredBlocks RC;
-	RC.a_BlockPos = Vector3i(a_BlockX, a_BlockY, a_BlockZ);
-	RC.a_MiddlePos = Vector3i(a_MiddleX, a_MiddleY, a_MiddleZ);
-	RC.a_SourcePos = Vector3i(a_SourceX, a_SourceY, a_SourceZ);
-	m_LinkedPoweredBlocks.push_back(RC);
-}
-
-
-
-
-
-void cRedstoneSimulator::SetPlayerToggleableBlockAsSimulated(int a_BlockX, int a_BlockY, int a_BlockZ, bool WasLastStatePowered)
-{
-	for (SimulatedPlayerToggleableList::iterator itr = m_SimulatedPlayerToggleableBlocks.begin(); itr != m_SimulatedPlayerToggleableBlocks.end(); ++itr)
-	{
-		if (!itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			continue;
-		}
-
-		if (itr->WasLastStatePowered != WasLastStatePowered)
-		{
-			// If power states different, update listing
-			itr->WasLastStatePowered = WasLastStatePowered;
-			return;
-		}
-		else
-		{
-			// If states the same, just ignore
-			return;
-		}
-	}
-
-	// We have arrive here; no block must be in list - add one
-	sSimulatedPlayerToggleableList RC;
-	RC.a_BlockPos = Vector3i(a_BlockX, a_BlockY, a_BlockZ);
-	RC.WasLastStatePowered = WasLastStatePowered;
-	m_SimulatedPlayerToggleableBlocks.push_back(RC);
-}
-
-
-
-
-
-void cRedstoneSimulator::QueueRepeaterPowerChange(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYPE a_Meta, short a_ElapsedTicks, bool ShouldPowerOn)
-{
-	for (RepeatersDelayList::iterator itr = m_RepeatersDelayList.begin(); itr != m_RepeatersDelayList.end(); ++itr)
-	{
-		if (itr->a_BlockPos.Equals(Vector3i(a_BlockX, a_BlockY, a_BlockZ)))
-		{
-			if (ShouldPowerOn == itr->ShouldPowerOn) // We are queued already for the same thing, don't replace entry
-			{
-				return;
-			}
-
-			// Already in here (normal to allow repeater to continue on powering and updating blocks in front) - just update info and quit
-			itr->a_DelayTicks = (((a_Meta & 0xC) >> 0x2) + (ShouldPowerOn ? 1 : 0)) * 2; // See below for description
-			itr->a_ElapsedTicks = 0;
-			itr->ShouldPowerOn = ShouldPowerOn;
-			return;
-		}
-	}
-
-	// Self not in list, add self to list
-	sRepeatersDelayList RC;
-	RC.a_BlockPos = Vector3i(a_BlockX, a_BlockY, a_BlockZ);
-	
-	// Gets the top two bits (delay time), shifts them into the lower two bits, and adds one (meta 0 = 1 tick; 1 = 2 etc.)
-	// * 2 because apparently, MCS ticks are way faster than vanilla ticks, so repeater aren't noticeably delayed
-	// We don't +1 when powering off because everything seems to already delay a tick when powering off, why? No idea :P
-	RC.a_DelayTicks = (((a_Meta & 0xC) >> 0x2) + (ShouldPowerOn ? 1 : 0)) * 2;
-
-
-	RC.a_ElapsedTicks = 0;
-	RC.ShouldPowerOn = ShouldPowerOn;
-	m_RepeatersDelayList.push_back(RC);
-	return;
-}
-
-
-
-
-
-cRedstoneSimulator::eRedstoneDirection cRedstoneSimulator::GetWireDirection(int a_BlockX, int a_BlockY, int a_BlockZ)
-{
-	int Dir = REDSTONE_NONE;
-
-	BLOCKTYPE NegX = m_World.GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ);
-	if (IsPotentialSource(NegX))
-	{
-		Dir |= (REDSTONE_X_POS);
-	}
-	
-	BLOCKTYPE PosX = m_World.GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ);
-	if (IsPotentialSource(PosX))
-	{
-		Dir |= (REDSTONE_X_NEG);
-	}
-	
-	BLOCKTYPE NegZ = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ - 1);
-	if (IsPotentialSource(NegZ))
-	{
-		if ((Dir & REDSTONE_X_POS) && !(Dir & REDSTONE_X_NEG))  // corner
-		{
-			Dir ^= REDSTONE_X_POS;
-			Dir |= REDSTONE_X_NEG;
-		}
-		if ((Dir & REDSTONE_X_NEG) && !(Dir & REDSTONE_X_POS))  // corner
-		{
-			Dir ^= REDSTONE_X_NEG;
-			Dir |= REDSTONE_X_POS;
-		}
-		Dir |= REDSTONE_Z_POS;
-	}
-	
-	BLOCKTYPE PosZ = m_World.GetBlock(a_BlockX, a_BlockY, a_BlockZ + 1);
-	if (IsPotentialSource(PosZ))
-	{
-		if ((Dir & REDSTONE_X_POS) && !(Dir & REDSTONE_X_NEG))  // corner
-		{
-			Dir ^= REDSTONE_X_POS;
-			Dir |= REDSTONE_X_NEG;
-		}
-		if ((Dir & REDSTONE_X_NEG) && !(Dir & REDSTONE_X_POS))  // corner
-		{
-			Dir ^= REDSTONE_X_NEG;
-			Dir |= REDSTONE_X_POS;
-		}
-		Dir |= REDSTONE_Z_NEG;
-	}
-	return (eRedstoneDirection)Dir;
-}
-
-
-
-
-
-bool cRedstoneSimulator::IsLeverOn(NIBBLETYPE a_BlockMeta)
-{
-	// Extract the ON bit from metadata and return if true if it is set:
-	return ((a_BlockMeta & 0x8) == 0x8);
-}
-
-
-
-
-
-bool cRedstoneSimulator::IsButtonOn(NIBBLETYPE a_BlockMeta)
-{
-	return IsLeverOn(a_BlockMeta);
-}
-
-
-
-